[ 
https://issues.apache.org/jira/browse/HIVE-15995?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16360989#comment-16360989
 ] 

Hive QA commented on HIVE-15995:
--------------------------------



Here are the results of testing the latest attachment:
https://issues.apache.org/jira/secure/attachment/12910176/HIVE-15995.2.patch

{color:green}SUCCESS:{color} +1 due to 2 test(s) being added or modified.

{color:red}ERROR:{color} -1 due to 22 failed/errored test(s), 13170 tests 
executed
*Failed tests:*
{noformat}
org.apache.hadoop.hive.cli.TestAccumuloCliDriver.testCliDriver[accumulo_queries]
 (batchId=241)
org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver[mapjoin_hook] 
(batchId=13)
org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver[ppd_join5] (batchId=36)
org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver[row__id] (batchId=79)
org.apache.hadoop.hive.cli.TestEncryptedHDFSCliDriver.testCliDriver[encryption_move_tbl]
 (batchId=175)
org.apache.hadoop.hive.cli.TestMiniLlapCliDriver.testCliDriver[llap_smb] 
(batchId=152)
org.apache.hadoop.hive.cli.TestMiniLlapLocalCliDriver.testCliDriver[bucket_map_join_tez1]
 (batchId=172)
org.apache.hadoop.hive.cli.TestMiniLlapLocalCliDriver.testCliDriver[insert_values_orig_table_use_metadata]
 (batchId=167)
org.apache.hadoop.hive.cli.TestMiniLlapLocalCliDriver.testCliDriver[llap_acid] 
(batchId=171)
org.apache.hadoop.hive.cli.TestMiniLlapLocalCliDriver.testCliDriver[llap_acid_fast]
 (batchId=162)
org.apache.hadoop.hive.cli.TestMiniLlapLocalCliDriver.testCliDriver[resourceplan]
 (batchId=164)
org.apache.hadoop.hive.cli.TestMiniLlapLocalCliDriver.testCliDriver[sysdb] 
(batchId=161)
org.apache.hadoop.hive.cli.TestMiniSparkOnYarnCliDriver.testCliDriver[spark_opt_shuffle_serde]
 (batchId=180)
org.apache.hadoop.hive.cli.TestSparkCliDriver.testCliDriver[ppd_join5] 
(batchId=122)
org.apache.hadoop.hive.cli.TestSparkPerfCliDriver.testCliDriver[query1] 
(batchId=251)
org.apache.hadoop.hive.cli.control.TestDanglingQOuts.checkDanglingQOut 
(batchId=222)
org.apache.hadoop.hive.metastore.client.TestListPartitions.testListPartitionsByValuesNoTblName[Embedded]
 (batchId=206)
org.apache.hadoop.hive.metastore.client.TestTablesGetExists.testGetAllTablesCaseInsensitive[Embedded]
 (batchId=206)
org.apache.hive.beeline.cli.TestHiveCli.testNoErrorDB (batchId=188)
org.apache.hive.jdbc.TestSSL.testConnectionMismatch (batchId=235)
org.apache.hive.jdbc.TestSSL.testConnectionWrongCertCN (batchId=235)
org.apache.hive.jdbc.TestSSL.testMetastoreConnectionWrongCertCN (batchId=235)
{noformat}

Test results: https://builds.apache.org/job/PreCommit-HIVE-Build/9173/testReport
Console output: https://builds.apache.org/job/PreCommit-HIVE-Build/9173/console
Test logs: http://104.198.109.242/logs/PreCommit-HIVE-Build-9173/

Messages:
{noformat}
Executing org.apache.hive.ptest.execution.TestCheckPhase
Executing org.apache.hive.ptest.execution.PrepPhase
Executing org.apache.hive.ptest.execution.YetusPhase
Executing org.apache.hive.ptest.execution.ExecutionPhase
Executing org.apache.hive.ptest.execution.ReportingPhase
Tests exited with: TestsFailedException: 22 tests failed
{noformat}

This message is automatically generated.

ATTACHMENT ID: 12910176 - PreCommit-HIVE-Build

> Syncing metastore table with serde schema
> -----------------------------------------
>
>                 Key: HIVE-15995
>                 URL: https://issues.apache.org/jira/browse/HIVE-15995
>             Project: Hive
>          Issue Type: Bug
>          Components: Metastore
>    Affects Versions: 1.2.1, 2.1.0, 3.0.0
>            Reporter: Michal Ferlinski
>            Assignee: Adam Szita
>            Priority: Major
>         Attachments: HIVE-15995.1.patch, HIVE-15995.2.patch, 
> HIVE-15995.patch, cx1.avsc, cx2.avsc
>
>
> Hive enables table schema evolution via properties. For avro e.g. we can 
> alter the 'avro.schema.url' property to update table schema to the next 
> version. Updating properties however doesn't affect column list stored in 
> metastore DB so the table is not in the newest version when returned from 
> metastore API. This is problem for tools working with metastore (e.g. Presto).
> To solve this issue I suggest to introduce new DDL statement syncing 
> metastore columns with those from serde:
> {code}
> ALTER TABLE user_test1 UPDATE COLUMNS
> {code}
> Note that this is format independent solution. 
> To reproduce, follow the instructions below:
> - Create table based on avro schema version 1 (cxv1.avsc)
> {code}
> CREATE EXTERNAL TABLE user_test1
>   PARTITIONED BY (dt string)
>   ROW FORMAT SERDE
>   'org.apache.hadoop.hive.serde2.avro.AvroSerDe'
>   STORED AS INPUTFORMAT
>   'org.apache.hadoop.hive.ql.io.avro.AvroContainerInputFormat'
>   OUTPUTFORMAT
>   'org.apache.hadoop.hive.ql.io.avro.AvroContainerOutputFormat'
>   LOCATION
>   '/tmp/schema-evolution/user_test1'
>   TBLPROPERTIES ('avro.schema.url'='/tmp/schema-evolution/cx1.avsc');
> {code}
> - Update schema to version 2 (cx2.avsc)
> {code}
> ALTER TABLE user_test1 SET TBLPROPERTIES ('avro.schema.url' = 
> '/tmp/schema-evolution/cx2.avsc');
> {code}
> - Print serde columns (top info) and metastore columns (Detailed Table 
> Information):
> {code}
> DESCRIBE EXTENDED user_test1
> {code}



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